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Create VSAM Trigger file

 
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PremKumarNair

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Joined: 12 Jan 2010
Posts: 27
Location: Pleasanton,CA

PostPosted: Tue Dec 24, 2013 10:50 am    Post subject: Create VSAM Trigger file
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I wonder if it is possible from a Web App (Java or .Net or any client which supports MQ), we can write data to transmission queues which in turn can be linked to the Local Queues residing in Mainframe? These queues can then trigger a CICS Transaction which in turn can trigger programs to read your VSAM files and return back values via Queues to your Web App. Wonder anybody worked on a process that would write to or create a vsam trigger file from a web application?
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sureshpathi10

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Joined: 03 May 2010
Posts: 154
Location: Kuala Lumpur

PostPosted: Tue Dec 24, 2013 1:14 pm    Post subject:
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Hi Prem,

Yes. It is possible to trigger the CICS transaction from Java via MQ Series.

1. Create a MQ Queue Manager.
2. Create two Queues (One for input to HOST and other for response back).
3. Let the Java guys to put message into the queue and get response from appropriate queues.
4. CICS setup for triggering a transaction, when there is a message put in the input queue.
(You should contact your MQ admin & CICS admin for all the above tasks)

5. You can create a CICS program to read the queue and process it (process VSAM file) and put response message to output queue. (This program needs to be assigned to the transaction that get triggers for a queue message).

Note: This is not a simple or one person task to do. You need a team to do this. Please search how to do these steps separately.
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PremKumarNair

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Joined: 12 Jan 2010
Posts: 27
Location: Pleasanton,CA

PostPosted: Wed Dec 25, 2013 12:20 am    Post subject: Reply to: Create VSAM Trigger file
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Thanks Suresh. This is an wonderful alternative which I may have to pursue.But I am trying to figure out from IBM support team the functionality of VSE connector and how it can be applied to fulfill my requirement. I put in a request to IBM support group and they got back to me saying that they are doing the research,.Unfortunately it is several weeks now and so here I am trying to see if any there is any expert hands already worked on in this area.
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Bill O'Boyle

CICS Moderator


Joined: 14 Jan 2008
Posts: 2502
Location: Atlanta, Georgia, USA

PostPosted: Wed Dec 25, 2013 12:47 am    Post subject: Reply to: Create VSAM Trigger file
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Try this link to VSE WAVV - http://wavv.org/

There might be something there or you could possibly contact a WAVV member.

Also, try Google for "IBM VSE Boeblingen Germany".

HTH....
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PremKumarNair

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Joined: 12 Jan 2010
Posts: 27
Location: Pleasanton,CA

PostPosted: Wed Dec 25, 2013 3:48 am    Post subject: Reply to: Create VSAM Trigger file
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Thanks Bill.Will take a look and see what is in there.
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